Extension of the Provisions of Part I of Executive Order No. 10243 10210 of February 2, 1951, to the Federal Civil Defense Administration Signed: May 11, 1951 Federal Register page and date: 16 FR 4419, May 12, 1951 Amends: EO 10210, February 2, 1951 Note: The authority of EO 10243 was repealed by Public Law 89-554 (80 Stat. 651; 50 USC App. 611n).